[PATCH 1/3] riscv: Add support for kernel-mode FPU

kernel test robot lkp at intel.com
Thu Nov 23 01:54:42 UTC 2023


Hi Samuel,

kernel test robot noticed the following build errors:

[auto build test ERROR on drm-misc/drm-misc-next]
[also build test ERROR on linus/master v6.7-rc2 next-20231122]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Samuel-Holland/riscv-Add-support-for-kernel-mode-FPU/20231122-111015
base:   git://anongit.freedesktop.org/drm/drm-misc drm-misc-next
patch link:    https://lore.kernel.org/r/20231122030621.3759313-2-samuel.holland%40sifive.com
patch subject: [PATCH 1/3] riscv: Add support for kernel-mode FPU
config: riscv-randconfig-r111-20231123 (https://download.01.org/0day-ci/archive/20231123/202311230628.TkL31MjJ-lkp@intel.com/config)
compiler: riscv64-linux-gcc (GCC) 13.2.0
reproduce: (https://download.01.org/0day-ci/archive/20231123/202311230628.TkL31MjJ-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202311230628.TkL31MjJ-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from include/linux/linkage.h:7,
                    from include/linux/printk.h:8,
                    from include/asm-generic/bug.h:22,
                    from arch/riscv/include/asm/bug.h:83,
                    from include/linux/bug.h:5,
                    from arch/riscv/include/asm/current.h:13,
                    from include/linux/sched.h:12,
                    from include/linux/ratelimit.h:6,
                    from include/linux/dev_printk.h:16,
                    from include/linux/device.h:15,
                    from include/linux/node.h:18,
                    from include/linux/cpu.h:17,
                    from arch/riscv/kernel/process.c:10:
>> arch/riscv/kernel/process.c:229:19: error: '__fstate_save' undeclared here (not in a function); did you mean 'fstate_save'?
     229 | EXPORT_SYMBOL_GPL(__fstate_save);
         |                   ^~~~~~~~~~~~~
   include/linux/export.h:74:23: note: in definition of macro '__EXPORT_SYMBOL'
      74 |         extern typeof(sym) sym;                                 \
         |                       ^~~
   include/linux/export.h:87:41: note: in expansion of macro '_EXPORT_SYMBOL'
      87 | #define EXPORT_SYMBOL_GPL(sym)          _EXPORT_SYMBOL(sym, "GPL")
         |                                         ^~~~~~~~~~~~~~
   arch/riscv/kernel/process.c:229:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
     229 | EXPORT_SYMBOL_GPL(__fstate_save);
         | ^~~~~~~~~~~~~~~~~
>> arch/riscv/kernel/process.c:230:19: error: '__fstate_restore' undeclared here (not in a function); did you mean 'fstate_restore'?
     230 | EXPORT_SYMBOL_GPL(__fstate_restore);
         |                   ^~~~~~~~~~~~~~~~
   include/linux/export.h:74:23: note: in definition of macro '__EXPORT_SYMBOL'
      74 |         extern typeof(sym) sym;                                 \
         |                       ^~~
   include/linux/export.h:87:41: note: in expansion of macro '_EXPORT_SYMBOL'
      87 | #define EXPORT_SYMBOL_GPL(sym)          _EXPORT_SYMBOL(sym, "GPL")
         |                                         ^~~~~~~~~~~~~~
   arch/riscv/kernel/process.c:230:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
     230 | EXPORT_SYMBOL_GPL(__fstate_restore);
         | ^~~~~~~~~~~~~~~~~


vim +229 arch/riscv/kernel/process.c

   228	
 > 229	EXPORT_SYMBOL_GPL(__fstate_save);
 > 230	EXPORT_SYMBOL_GPL(__fstate_restore);

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki


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